<!DOCTYPE html>
<!--xmlns:th="http://www.thymeleaf.org"????????????????-->
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org" >
<head>
    <meta charset = "ISO-8859-1" />
    <link href = "css/styles.css" rel = "stylesheet"/>
    <title>Spring Boot Application</title>
    <!--<link href="css/style.css" rel="stylesheet">-->
    <link th:href="@{css/style.css}" rel="stylesheet">
</head>
<body>
<!--??????????????th:????-->
<p th:text="${hei}">hei</p>
</body>
</html>